package com.itheima.anno;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Target(ElementType.METHOD)//只能注解在方法上
@Retention(RetentionPolicy.RUNTIME)//只能在运行时

public @interface Log {
}
